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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03
// <functional>
// template<CopyConstructible Fn, CopyConstructible... Types>
// unspecified bind(Fn, Types...);
// template<Returnable R, CopyConstructible Fn, CopyConstructible... Types>
// unspecified bind(Fn, Types...);
// https://bugs.llvm.org/show_bug.cgi?id=16343
#include <cmath>
#include <functional>
#include <cassert>
#include "test_macros.h"
struct power
{
template <typename T>
T
operator()(T a, T b)
{
return static_cast<T>(std::pow(a, b));
}
};
struct plus_one
{
template <typename T>
T
operator()(T a)
{
return a + 1;
}
};
int main(int, char**)
{
using std::placeholders::_1;
auto g = std::bind(power(), 2, _1);
assert(g(5) == 32);
assert(std::bind(plus_one(), g)(5) == 33);
return 0;
}
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